CN112504776A - Soil sample preparation facilities of civil engineering experiment - Google Patents
Soil sample preparation facilities of civil engineering experiment Download PDFInfo
- Publication number
- CN112504776A CN112504776A CN202011133454.8A CN202011133454A CN112504776A CN 112504776 A CN112504776 A CN 112504776A CN 202011133454 A CN202011133454 A CN 202011133454A CN 112504776 A CN112504776 A CN 112504776A
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- soil sample
- sample preparation
- civil engineering
- chassis
- knife lines
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- 239000002689 soil Substances 0.000 title claims abstract description 57
- 238000002360 preparation method Methods 0.000 title claims abstract description 24
- 238000002474 experimental method Methods 0.000 title claims abstract description 21
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 238000005520 cutting process Methods 0.000 claims description 8
- 238000005192 partition Methods 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 2
- 230000007547 defect Effects 0.000 abstract description 2
- 230000006978 adaptation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
- G01N2001/2873—Cutting or cleaving
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N2021/8411—Application to online plant, process monitoring
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to a soil sample preparation device for civil engineering experiments, which comprises a chassis and a cutter head, wherein the cutter head is positioned above the chassis, the cutter head is arranged on the chassis in a sliding manner along the vertical direction, an object placing table is arranged on the chassis, the upper end surface of the object placing table is higher than the upper end surface of the chassis, a cutter line is arranged on the cutter head in the horizontal direction, a wire groove is arranged at the position, corresponding to the cutter line, of the object placing table, the cutter line can be cut into the wire groove, and the soil sample preparation device also comprises a driving mechanism for driving the cutter head to move up and down. By adopting the scheme, the invention overcomes the defects in the prior art, and provides the soil sample preparation device for the civil engineering experiment, which can accurately prepare the soil sample and keep the stability of the soil sample.
Description
Technical Field
The invention relates to a soil sample preparation device for civil engineering experiments.
Background
In the geotechnical experiment, a cutting ring can be repeatedly used for sample preparation, and the method is used for basic physical analysis, compression experiment, direct shear experiment and the like of soil. The demand for the soil sample is large, and the collected soil sample needs to be cut into cubic soil samples of 8.4cm by 3.7cm by a manual method in the traditional sample preparation process. Due to the fact that manual operation errors are large, the size is prone to being inaccurate, experimental accuracy is affected, and in the sample preparation process, the soil sample is prone to being disturbed when being in contact with the soil sample, so that the soil sample is not suitable for being tested.
Disclosure of Invention
The invention overcomes the defects of the prior art, and provides the soil sample preparation device for the civil engineering experiment, which can accurately prepare the soil sample and keep the stability of the soil sample.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a soil sample preparation facilities of civil engineering experiment, includes chassis and blade disc, the blade disc is located the chassis top, and the setting that vertical direction slided can be followed to the blade disc is on the chassis, be provided with on the chassis and put the thing platform, the up end that puts the thing platform is higher than the up end setting on chassis, the blade disc is provided with the tool wire on the horizontal direction, puts the thing platform and is provided with the wire casing in corresponding tool wire department, and the tool wire can cut into the wire casing setting, still including the actuating mechanism that the drive blade disc reciprocated.
Through adopting above-mentioned scheme, the blade disc is hollow square frame, and the fixed setting of tool wire is in the hollow of blade disc to be in the horizontality, can guarantee the size of cutting back soil sample like this, actuating mechanism can drive the blade disc and cut the soil sample with stable speed, and the setting of wire casing can guarantee that the tool wire cuts off two adjacent soil samples completely, guarantees the cutting effect, and consequently the preparation soil sample that the device can be accurate keeps the stability of soil sample.
The invention further provides that: the knife lines comprise a plurality of transverse knife lines and longitudinal knife lines, the transverse knife lines and the longitudinal knife lines are perpendicular to each other, the transverse knife lines and the longitudinal knife lines are integrally arranged, and a cutting area of 8.4cm x 8.4cm is formed between every two adjacent transverse knife lines and every two adjacent longitudinal knife lines.
By adopting the scheme, the transverse knife lines and the longitudinal knife lines are integrally arranged, so that interference in installation can be avoided, follow-up cutting operation can not be influenced, a square soil sample meeting actual requirements can be cut, and the height of the soil sample can be determined according to actual requirements.
The invention further provides that: the driving mechanism comprises a motor device and a screw rod, the screw rod is rotatably arranged on the chassis along the vertical direction, the motor device drives the screw rod to rotate, a nut seat is fixedly or integrally arranged on the cutter head, a threaded hole matched with the screw rod is formed in the nut seat, and the screw rod can drive the nut seat to move up and down by rotating.
By adopting the scheme, the screw rod rotates forwards and backwards to drive the nut seat to move up and down, so that the cutter head is lifted up and down, and when the screw rod stops rotating, the screw rod and the nut seat are in a self-locking state, so that the cutter head can always keep a position, the cutter head runs stably, the cutter head can be lifted up and down at any time in a stopping or follow-up starting mode, and the cutter head is simple in structure and reasonable in design.
The invention further provides that: the control panel and the power supply are respectively electrically connected with the circuit board, and the control panel is provided with an operation button.
By adopting the scheme, the power supply is an external power supply and can supply power to the circuit board, and different controls of the device can be completed by operating the operating buttons on the control panel.
The invention further provides that: the chassis is provided with a plurality of guide bar around putting the thing platform, and the guide bar sets up along vertical direction, is provided with on the blade disc with the guide bar complex slider that slides, the upper end of guide bar is provided with upper travel switch, and the lower extreme of guide bar is provided with next travel switch, be provided with the touching pole that can trigger upper travel switch and next travel switch on the slider, upper travel switch and next travel switch are connected with the circuit board electricity respectively.
By adopting the scheme, when the cutter head moves to the upper end limit position, the touch rod touches the upper travel switch, so that the operation of the motor is stopped, and the position of the cutter head is kept; when the cutter head moves to the lower end limit position, the touch rod touches the lower travel switch, so that the operation of the motor is stopped, the position of the cutter head is kept at the moment, the motor is protected, and the automatic control of the lifting of the cutter head can be realized.
The invention further provides that: the motor device comprises a box body, a variable frequency motor and a driving shaft, wherein the variable frequency motor is fixedly arranged on the box body, the variable frequency motor is electrically connected with a circuit board, the driving shaft is rotatably arranged on the box body, the driving shaft and an output shaft of the variable frequency motor are perpendicular to each other, a worm is arranged on the output shaft of the variable frequency motor in a linkage manner, a worm wheel meshed with the worm is arranged on the driving shaft in a linkage manner, a first arc-shaped bevel gear is arranged at the end part of the screw in a linkage manner, and a second arc-shaped bevel gear meshed with the first arc-.
Through adopting above-mentioned scheme, inverter motor can realize infinitely variable, and the circuit board can change voltage to adjust inverter motor's the rotational speed of output shaft, realize intelligent speed control, worm and worm wheel cooperation, first arc bevel gear and the cooperation of second arc bevel gear can further reduce the rotational speed of screw rod, play certain deceleration effect, make the blade disc reciprocate more stably.
The invention further provides that: the box body is fixedly provided with a Hall sensor, the output shaft of the variable frequency motor is provided with magnetic steel, the Hall sensor can sense the arrangement of the magnetic steel, and the Hall sensor is electrically connected with the circuit board.
Through adopting above-mentioned scheme, hall sensor response magnet steel can detect the rotational speed of inverter motor's output shaft constantly, when the blade disc moves down, if there is the foreign matter or the hand stops the blade disc and moves down this moment, the rotational speed of inverter motor's output shaft slows down this moment, hall sensor detects the rotational speed and will report information to the circuit board when changing, the circuit board is to relay give-out order, the circuit can let the electric current reverse, make the motor stall or reversal, then the blade disc also stops to move or go up and down, consequently, certain anti-pinch function has.
The invention further provides that: the soil sample analysis device is characterized by further comprising a display unit, a camera and an image processing unit, wherein the camera is mounted on the cutter head, the image processing unit is arranged on the circuit board, the camera is electrically connected with the circuit board, images shot by the camera are transmitted to the image processing unit, the image processing unit performs analysis processing according to a qualified soil sample image, and finally, the qualified soil samples and the number of the soil samples are displayed on the display unit.
By adopting the scheme, the image processing unit is arranged on the circuit board, the display unit is a display screen and is fixedly arranged on the operation panel, when the soil sample is cut by the knife line, the camera shoots and analyzes the soil sample through the image processing unit, so that the qualified soil sample is identified and counted, and the soil sample is displayed on the display screen.
The invention further provides that: the flat part comprises four partition boards, and the partition boards are connected end to form a rectangular frame.
Through adopting above-mentioned scheme, the upper and lower terminal surface of baffle is straight terminal surface, and the shape adaptation of putting the thing platform of flattening piece and chassis, flattening piece can level and smooth the soil of putting the thing bench, cuts unnecessary waste soil to guarantee to put the highly uniform of the soil of thing bench, also can realize the preparation of not co-altitude soil sample, simple structure, convenient to use through the flattening piece of trading with co-altitude not certainly.
The invention further provides that: the wire grooves comprise transverse wire grooves corresponding to the transverse knife lines and longitudinal wire grooves corresponding to the longitudinal knife lines, the transverse wire grooves and the longitudinal wire grooves are communicated with each other, and the transverse knife lines and the longitudinal knife lines are both arranged in a steel strand mode.
By adopting the scheme, the wire groove is reasonable in structural design, the cutter wire is a steel strand, the strength is high, the relaxation performance is good, and the steel strand is straight when the steel strand is unfolded.
The invention is further described below with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic overall structure diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of the cutter head;
FIG. 3 is a schematic structural view of a chassis;
FIG. 4 is a schematic view of a matching structure of a variable frequency motor and a screw rod;
FIG. 5 is a schematic diagram of a structure of a Hall sensor and magnetic steel;
FIG. 6 is a schematic structural view of a flat member;
fig. 7 is a schematic view of the connection structure of each component and the circuit board.
Detailed Description
As shown in fig. 1-7, a soil sample preparation device for civil engineering experiments comprises a chassis 1 and a cutter head 2, wherein the cutter head 2 is positioned above the chassis 1, the cutter head 2 is slidably arranged on the chassis 1 along the vertical direction, an object placing table 11 is arranged on the chassis 1, the object placing table 11 is arranged in a rectangular shape, the upper end surface of the object placing table 11 is higher than the upper end surface of the chassis 1, the cutter head 2 is provided with a cutter line in the horizontal direction, the cutter line comprises a plurality of transverse cutter lines 31 and longitudinal cutter lines 32, the cutter head 2 is a hollow square frame, the transverse cutter lines 31 and the longitudinal cutter lines 32 are fixedly arranged in the hollow position of the cutter head 2, the transverse cutter lines 31 and the longitudinal cutter lines 32 are both arranged by steel stranded wires, the transverse cutter lines 31 and the longitudinal cutter lines 32 are mutually perpendicular, each transverse cutter line 31 and each longitudinal cutter line 32 are arranged integrally, and a cutting area 33 of 8.4cm is formed between two adjacent transverse cutter lines 31 and two longitudinal cutter lines 32, this device has 16 cutting areas, it is provided with the wire casing to put thing platform 11 in the department that corresponds the tool wire, the wire casing includes horizontal wire casing 12 corresponding with horizontal tool wire 31 and vertical wire casing 13 corresponding with vertical tool wire 32, horizontal wire casing 12 and vertical wire casing 13 link up the setting each other, the tool wire can cut into the wire casing setting, still including the actuating mechanism that drives blade disc 2 and reciprocate, actuating mechanism includes motor device and screw rod 41, screw rod 41 rotates through the bearing along vertical direction and sets up on chassis 1, motor device drives screw rod 41 and rotates, fixed or an organic whole is provided with nut seat 42 on the blade disc 2, be provided with the screw hole 421 with screw rod 41 adaptation on the nut seat 42, screw rod 41 locates screw hole 421 soon, it can drive nut seat 42 and reciprocate to rotate screw rod 41. Wherein the transverse direction is the direction indicated by A in FIG. 1, the longitudinal direction is the direction indicated by B in FIG. 1, and the vertical direction is the direction indicated by C in FIG. 1.
In the present embodiment, the electronic device further includes a control panel 51, a circuit board 52 and a power supply 53, the control panel 51 and the power supply 53 are respectively electrically connected to the circuit board 52, and the control panel 51 is provided with an operation button 511.
In this embodiment, the chassis 1 is provided with a plurality of guide rods 14 around the object placing table 11, the guide rods 14 are arranged in the vertical direction, the cutter head 2 is provided with a slide block 21 in sliding fit with the guide rods 14, the upper end of the guide rods 14 is provided with an upper travel switch 54, the lower end of the guide rods 14 is provided with a lower travel switch 55, the slide block 21 is provided with a touch rod 22 capable of triggering the upper travel switch 54 and the lower travel switch 55, and the upper travel switch 54 and the lower travel switch 55 are respectively electrically connected with the circuit board 52.
In this embodiment, the motor device includes a box 43, a variable frequency motor 44 and a driving shaft 45, the variable frequency motor 44 is fixedly disposed on the box 43, the variable frequency motor 44 is electrically connected to the circuit board 52, the driving shaft 45 is rotatably disposed on the box 43 through a bearing, the driving shaft 45 is perpendicular to an output shaft of the variable frequency motor 44, a worm 46 is disposed on the output shaft of the variable frequency motor 44 in a linkage manner, a worm wheel 47 engaged with the worm 46 is disposed on the driving shaft 45 in a linkage manner, a first arc bevel gear 48 is disposed at an end of the screw 41 in a linkage manner, and a second arc bevel gear 49 engaged with the first arc bevel gear 48 is disposed on the driving shaft 45 in.
In this embodiment, the case 43 is fixedly provided with a hall sensor 71, an output shaft of the inverter motor 44 is provided with a magnetic steel 72, the hall sensor 71 is disposed to sense the magnetic steel 72, and the hall sensor 71 is electrically connected to the circuit board 52.
In the embodiment, the soil sample processing device further comprises a display unit 56, a camera 57 and an image processing unit 58, wherein the camera 57 is mounted on the cutter head 2, the image processing unit 58 is arranged on the circuit board 52, the camera 57 is electrically connected with the circuit board 52, an image shot by the camera 57 is transmitted to the image processing unit 58, the image processing unit 58 performs analysis processing according to a qualified soil sample map, and finally, the qualified soil samples and the number of the qualified soil samples are displayed on the display unit 56.
In this embodiment, the flat part 6 is further included, the flat part includes four partition boards 61, and each partition board 61 is connected end to form a rectangular frame.
The above embodiments are merely preferred embodiments of the present invention, and general changes and substitutions by those skilled in the art within the technical scope of the present invention are included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a soil sample preparation facilities of civil engineering experiment which characterized in that: including chassis and blade disc, the blade disc is located the chassis top, and the setting that vertical direction slided can be followed to the blade disc is on the chassis, be provided with on the chassis and put the thing platform, the up end that puts the thing platform is higher than the up end setting on chassis, the blade disc is provided with the tool line on the horizontal direction, puts the thing platform and is provided with the wire casing in corresponding tool line department, and the tool line can cut into the setting of wire casing, still including the actuating mechanism that the drive blade disc reciprocated.
2. The soil sample preparation device for civil engineering experiments as claimed in claim 1, wherein: the knife lines comprise a plurality of transverse knife lines and longitudinal knife lines, the transverse knife lines and the longitudinal knife lines are perpendicular to each other, the transverse knife lines and the longitudinal knife lines are integrally arranged, and a cutting area of 8.4cm x 8.4cm is formed between every two adjacent transverse knife lines and every two adjacent longitudinal knife lines.
3. The soil sample preparation device for civil engineering experiments according to claim 1 or 2, wherein: the driving mechanism comprises a motor device and a screw rod, the screw rod is rotatably arranged on the chassis along the vertical direction, the motor device drives the screw rod to rotate, a nut seat is fixedly or integrally arranged on the cutter head, a threaded hole matched with the screw rod is formed in the nut seat, and the screw rod can drive the nut seat to move up and down by rotating.
4. The soil sample preparation device for civil engineering experiments as claimed in claim 3, wherein: the control panel and the power supply are respectively electrically connected with the circuit board, and the control panel is provided with an operation button.
5. The soil sample preparation device for civil engineering experiments as claimed in claim 4, wherein: the chassis is provided with a plurality of guide bar around putting the thing platform, and the guide bar sets up along vertical direction, is provided with on the blade disc with the guide bar complex slider that slides, the upper end of guide bar is provided with upper travel switch, and the lower extreme of guide bar is provided with next travel switch, be provided with the touching pole that can trigger upper travel switch and next travel switch on the slider, upper travel switch and next travel switch are connected with the circuit board electricity respectively.
6. The soil sample preparation device for civil engineering experiments according to claim 4 or 5, wherein: the motor device comprises a box body, a variable frequency motor and a driving shaft, wherein the variable frequency motor is fixedly arranged on the box body, the variable frequency motor is electrically connected with a circuit board, the driving shaft is rotatably arranged on the box body, the driving shaft and an output shaft of the variable frequency motor are perpendicular to each other, a worm is arranged on the output shaft of the variable frequency motor in a linkage manner, a worm wheel meshed with the worm is arranged on the driving shaft in a linkage manner, a first arc-shaped bevel gear is arranged at the end part of the screw in a linkage manner, and a second arc-shaped bevel gear meshed with the first arc-.
7. The soil sample preparation device for civil engineering experiments as claimed in claim 6, wherein: the box body is fixedly provided with a Hall sensor, the output shaft of the variable frequency motor is provided with magnetic steel, the Hall sensor can sense the arrangement of the magnetic steel, and the Hall sensor is electrically connected with the circuit board.
8. The soil sample preparation device for civil engineering experiments according to claim 4 or 5, wherein: the soil sample analysis device is characterized by further comprising a display unit, a camera and an image processing unit, wherein the camera is mounted on the cutter head, the image processing unit is arranged on the circuit board, the camera is electrically connected with the circuit board, images shot by the camera are transmitted to the image processing unit, the image processing unit performs analysis processing according to a qualified soil sample image, and finally, the qualified soil samples and the number of the soil samples are displayed on the display unit.
9. The soil sample preparation device for civil engineering experiments according to claim 1 or 2, wherein: the flat part comprises four partition boards, and the partition boards are connected end to form a rectangular frame.
10. The soil sample preparation device for civil engineering experiments as claimed in claim 2, wherein: the wire grooves comprise transverse wire grooves corresponding to the transverse knife lines and longitudinal wire grooves corresponding to the longitudinal knife lines, the transverse wire grooves and the longitudinal wire grooves are communicated with each other, and the transverse knife lines and the longitudinal knife lines are both arranged in a steel strand mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011133454.8A CN112504776A (en) | 2020-10-21 | 2020-10-21 | Soil sample preparation facilities of civil engineering experiment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011133454.8A CN112504776A (en) | 2020-10-21 | 2020-10-21 | Soil sample preparation facilities of civil engineering experiment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112504776A true CN112504776A (en) | 2021-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011133454.8A Pending CN112504776A (en) | 2020-10-21 | 2020-10-21 | Soil sample preparation facilities of civil engineering experiment |
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| Country | Link |
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| CN (1) | CN112504776A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117848763A (en) * | 2024-03-05 | 2024-04-09 | 云南农业大学 | Grassland locust ovum intelligent investigation sampling device |
| CN117848763B (en) * | 2024-03-05 | 2024-05-14 | 云南农业大学 | Grassland locust ovum intelligent investigation sampling device |
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| CN104191301A (en) * | 2014-08-02 | 2014-12-10 | 金华中科机电研究所 | Control system and method for preventing ordinary drilling machine from getting stuck |
| CN207044241U (en) * | 2017-08-17 | 2018-02-27 | 广东工业大学 | A kind of true triaxial test cube weak soil soil sample cutter device |
| CN107834769A (en) * | 2017-11-30 | 2018-03-23 | 温州市路搏汽车配件有限公司 | A kind of reducing motor |
| CN107991157A (en) * | 2017-12-30 | 2018-05-04 | 浙江大学 | A kind of three axis soil sample topping machanism of full-automatic arbitrary diameter |
| CN108204917A (en) * | 2018-01-31 | 2018-06-26 | 浙江大学 | A kind of rectangular soil sample cutting apparatus of semi-automatic arbitrary dimension |
| CN207717475U (en) * | 2018-01-22 | 2018-08-10 | 青岛理工大学 | A kind of fragile material section grinding chamber |
| CN209182129U (en) * | 2018-12-12 | 2019-07-30 | 佛山科学技术学院 | Triaxial test soil sample cutter device |
-
2020
- 2020-10-21 CN CN202011133454.8A patent/CN112504776A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104191301A (en) * | 2014-08-02 | 2014-12-10 | 金华中科机电研究所 | Control system and method for preventing ordinary drilling machine from getting stuck |
| CN207044241U (en) * | 2017-08-17 | 2018-02-27 | 广东工业大学 | A kind of true triaxial test cube weak soil soil sample cutter device |
| CN107834769A (en) * | 2017-11-30 | 2018-03-23 | 温州市路搏汽车配件有限公司 | A kind of reducing motor |
| CN107991157A (en) * | 2017-12-30 | 2018-05-04 | 浙江大学 | A kind of three axis soil sample topping machanism of full-automatic arbitrary diameter |
| CN207717475U (en) * | 2018-01-22 | 2018-08-10 | 青岛理工大学 | A kind of fragile material section grinding chamber |
| CN108204917A (en) * | 2018-01-31 | 2018-06-26 | 浙江大学 | A kind of rectangular soil sample cutting apparatus of semi-automatic arbitrary dimension |
| CN209182129U (en) * | 2018-12-12 | 2019-07-30 | 佛山科学技术学院 | Triaxial test soil sample cutter device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117848763A (en) * | 2024-03-05 | 2024-04-09 | 云南农业大学 | Grassland locust ovum intelligent investigation sampling device |
| CN117848763B (en) * | 2024-03-05 | 2024-05-14 | 云南农业大学 | Grassland locust ovum intelligent investigation sampling device |
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Application publication date: 20210316 |